<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
  <h1></h1>
</body>
<script>
/*<jdists encoding="babel">*/
let sqr = (x) => x * x;
let π2 = sqr(Math.PI);
console.log(π2);

class Cat {
  constructor(color) {
    this.color = color;
    //...
  }
  get color() {
    return this.color;
  }
  set color(value) {
    this.color = value;
  }
  static hello(color) {
    console.log('%c hello', 'color:' + color);
  }
}

Cat.hello('red');
/*</jdists>*/
</script>
</html>